body {
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    color: #fff;
    background: #222;
}

.container {
    max-width: 500px;
    margin: 100px auto;
    background: rgba(51,51,51,0.85);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.4);
    text-align: center;
    position: relative;
}



.fun-fact {
    margin: 24px 0 12px 0;
    padding: 16px;
    background: rgba(33,150,243,0.15);
    border-radius: 8px;
    font-size: 1.1rem;
    min-height: 40px;
    transition: background 0.3s;
}

button {
    background: #ff4081;
    color: #fff;
    border: none;
    padding: 14px 36px;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    margin-top: 20px;
    box-shadow: 0 2px 16px rgba(33,150,243,0.18);
    transition: transform 0.15s, background 0.4s;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.button-gradient {
    background: conic-gradient(from 90deg, #ff4081, #2196f3, #ff4081);
    animation: spinGradient 2s linear infinite;
}

@keyframes spinGradient {
    0% { background: conic-gradient(from 90deg, #ff4081, #2196f3, #ff4081); }
    100% { background: conic-gradient(from 450deg, #ff4081, #2196f3, #ff4081); }
}

button:active {
    transform: scale(0.95);
}